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One recent event, which (unfortunately) has received scant publicity, is the publication by the DTI of the report of the study teams on professional liability. The DTI called the report the ‘Likierman Report’, because Professor Andrew Likierman was Chairman of the steering group. There were three separate study teams, one for construction professionals apart from surveyors, one for auditors, and one for surveyors. J.J. Ward
Mr A. N. Beal (M) (R. H. Thomason & Partners) This paper is an interesting and valuable review of the current position on steel SHS tube connection design. It is disturbing to learn that tubes are commonly undersized by up to 6% in this country and 10% in the USA. It is even more disturbing to learn that the IIW/Eurocode formulae on which British Steel has based its joint design guide ‘rely on a significant amount of over-run in the yield stress to achieve adequate safety levels’ and that British Steel’s recommended safe loads have been based on applying a safety factor of only 1.5 to these, rather than the 1.7 required by BS449.
Results are given of 35 push tests using through-deck welded studs, three types of profiled steel sheeting, and shot-fired pins, with normal density and lightweight concrete. Maximum resistances are compared with the predictions of draft BS 5950: ‘Part 3.1’, draft Eurocode 4, and two reduction formulae for the effects of rib geometry. J.T. Mottram and Professor R.P. Johnson